ATE164657T1 - Bohrkrone mit umfangverteilten, lösbar angeordneten zahnkörpern - Google Patents

Bohrkrone mit umfangverteilten, lösbar angeordneten zahnkörpern

Info

Publication number
ATE164657T1
ATE164657T1 AT93111525T AT93111525T ATE164657T1 AT E164657 T1 ATE164657 T1 AT E164657T1 AT 93111525 T AT93111525 T AT 93111525T AT 93111525 T AT93111525 T AT 93111525T AT E164657 T1 ATE164657 T1 AT E164657T1
Authority
AT
Austria
Prior art keywords
face
connection
basic body
faces
drill
Prior art date
Application number
AT93111525T
Other languages
English (en)
Inventor
Theo Dipl-Ing Fromme
Original Assignee
Bauer Spezialtiefbau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bauer Spezialtiefbau filed Critical Bauer Spezialtiefbau
Application granted granted Critical
Publication of ATE164657T1 publication Critical patent/ATE164657T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
AT93111525T 1992-08-10 1993-07-19 Bohrkrone mit umfangverteilten, lösbar angeordneten zahnkörpern ATE164657T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4226363A DE4226363C2 (de) 1992-08-10 1992-08-10 Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern

Publications (1)

Publication Number Publication Date
ATE164657T1 true ATE164657T1 (de) 1998-04-15

Family

ID=6465195

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93111525T ATE164657T1 (de) 1992-08-10 1993-07-19 Bohrkrone mit umfangverteilten, lösbar angeordneten zahnkörpern

Country Status (3)

Country Link
EP (1) EP0583629B1 (de)
AT (1) ATE164657T1 (de)
DE (2) DE4226363C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205643C1 (de) * 2002-02-12 2003-10-16 Betek Bergbau & Hartmetall Bohrkrone mit lösbaren Schneidzähnen
CN114728349A (zh) 2019-11-14 2022-07-08 米沃奇电动工具公司 具有大的硬质合金悬突的孔锯

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317937A (de) * 1963-05-10
US1957476A (en) * 1931-10-14 1934-05-08 Elgan S Sloan Swiveled drill bit for cable tool drilling
DE851331C (de) * 1944-08-10 1952-10-02 Salzgitter Maschinen Ag Bohrkrone fuer Drehbohrer
US2506387A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US2506388A (en) * 1948-10-20 1950-05-02 Koebel Diamond Tool Co Core bit
US2506341A (en) * 1948-10-28 1950-05-02 Koebel Diamond Tool Co Core bit
US2520876A (en) * 1949-05-13 1950-08-29 Koebel Diamond Tool Company Core bit
FR1417359A (fr) * 1964-10-03 1965-11-12 Benoto Sa Trousse coupante pour tube de forage
USRE26669E (en) * 1968-05-09 1969-09-30 Drilling bit
US4208154A (en) * 1978-03-21 1980-06-17 Gundy William P Core drill
DE3408092A1 (de) * 1984-03-05 1985-09-19 Hilti Ag, Schaan Hohlbohrer
DE3600189A1 (de) * 1986-01-16 1987-07-16 Kazachskij Politekhn I Im W I Diamantbohrkrone
DE3738942A1 (de) * 1987-11-17 1989-06-01 Eastman Christensen Co Drehbohrmeissel fuer tiefbohrungen
DE3824502A1 (de) * 1988-07-20 1990-01-25 Hilti Ag Hohlbohrwerkzeug
US4854396A (en) * 1988-12-21 1989-08-08 The United States Of America As Represented By The Secretary Of The Army Pivoting cutter for ice coring auger
DE3933867C2 (de) * 1989-10-11 1995-08-17 Bauer Spezialtiefbau Bohrkrone mit umfangsverteilt angeordneten Zähnen für Bohrrohre

Also Published As

Publication number Publication date
EP0583629A1 (de) 1994-02-23
DE4226363C2 (de) 1995-07-06
EP0583629B1 (de) 1998-04-01
DE59308332D1 (de) 1998-05-07
DE4226363A1 (de) 1994-02-17

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee